./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cdfpl/newton_2_7_false-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_0323f7ab-d5f5-4f83-9ea4-66f1d98986d1/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0323f7ab-d5f5-4f83-9ea4-66f1d98986d1/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0323f7ab-d5f5-4f83-9ea4-66f1d98986d1/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0323f7ab-d5f5-4f83-9ea4-66f1d98986d1/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_2_7_false-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_0323f7ab-d5f5-4f83-9ea4-66f1d98986d1/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0323f7ab-d5f5-4f83-9ea4-66f1d98986d1/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash aa8c67e8913fc2cd1e62a9cfd95ae3f25cd4036f ............................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_0323f7ab-d5f5-4f83-9ea4-66f1d98986d1/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0323f7ab-d5f5-4f83-9ea4-66f1d98986d1/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0323f7ab-d5f5-4f83-9ea4-66f1d98986d1/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0323f7ab-d5f5-4f83-9ea4-66f1d98986d1/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_2_7_false-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_0323f7ab-d5f5-4f83-9ea4-66f1d98986d1/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0323f7ab-d5f5-4f83-9ea4-66f1d98986d1/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash aa8c67e8913fc2cd1e62a9cfd95ae3f25cd4036f ........................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 10:22:21,272 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 10:22:21,273 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 10:22:21,279 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 10:22:21,279 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 10:22:21,280 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 10:22:21,280 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 10:22:21,281 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 10:22:21,282 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 10:22:21,282 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 10:22:21,283 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 10:22:21,283 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 10:22:21,283 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 10:22:21,284 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 10:22:21,284 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 10:22:21,285 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 10:22:21,285 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 10:22:21,286 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 10:22:21,287 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 10:22:21,287 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 10:22:21,288 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 10:22:21,289 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 10:22:21,290 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 10:22:21,290 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 10:22:21,290 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 10:22:21,290 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 10:22:21,291 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 10:22:21,291 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 10:22:21,292 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 10:22:21,292 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 10:22:21,292 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 10:22:21,293 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 10:22:21,293 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 10:22:21,293 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 10:22:21,294 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 10:22:21,294 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 10:22:21,294 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0323f7ab-d5f5-4f83-9ea4-66f1d98986d1/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-08 10:22:21,301 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 10:22:21,301 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 10:22:21,302 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 10:22:21,302 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 10:22:21,302 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 10:22:21,302 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 10:22:21,302 INFO L133 SettingsManager]: * Use SBE=true [2018-12-08 10:22:21,303 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 10:22:21,303 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 10:22:21,303 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 10:22:21,303 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 10:22:21,303 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 10:22:21,303 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 10:22:21,303 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 10:22:21,303 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 10:22:21,303 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 10:22:21,304 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 10:22:21,304 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 10:22:21,304 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 10:22:21,304 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 10:22:21,304 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 10:22:21,304 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 10:22:21,304 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 10:22:21,304 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 10:22:21,304 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 10:22:21,305 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 10:22:21,305 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 10:22:21,305 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-08 10:22:21,305 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 10:22:21,305 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 10:22:21,305 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_0323f7ab-d5f5-4f83-9ea4-66f1d98986d1/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa8c67e8913fc2cd1e62a9cfd95ae3f25cd4036f [2018-12-08 10:22:21,324 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 10:22:21,333 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 10:22:21,335 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 10:22:21,336 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 10:22:21,337 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 10:22:21,337 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0323f7ab-d5f5-4f83-9ea4-66f1d98986d1/bin-2019/uautomizer/../../sv-benchmarks/c/floats-cdfpl/newton_2_7_false-unreach-call_true-termination.i [2018-12-08 10:22:21,378 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0323f7ab-d5f5-4f83-9ea4-66f1d98986d1/bin-2019/uautomizer/data/25103fa3d/3c5273fac86843c98c202929e85ca405/FLAG85c68501f [2018-12-08 10:22:21,791 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 10:22:21,791 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0323f7ab-d5f5-4f83-9ea4-66f1d98986d1/sv-benchmarks/c/floats-cdfpl/newton_2_7_false-unreach-call_true-termination.i [2018-12-08 10:22:21,794 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0323f7ab-d5f5-4f83-9ea4-66f1d98986d1/bin-2019/uautomizer/data/25103fa3d/3c5273fac86843c98c202929e85ca405/FLAG85c68501f [2018-12-08 10:22:21,802 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0323f7ab-d5f5-4f83-9ea4-66f1d98986d1/bin-2019/uautomizer/data/25103fa3d/3c5273fac86843c98c202929e85ca405 [2018-12-08 10:22:21,804 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 10:22:21,804 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 10:22:21,805 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 10:22:21,805 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 10:22:21,807 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 10:22:21,807 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 10:22:21" (1/1) ... [2018-12-08 10:22:21,809 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@96971f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:22:21, skipping insertion in model container [2018-12-08 10:22:21,809 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 10:22:21" (1/1) ... [2018-12-08 10:22:21,813 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 10:22:21,821 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 10:22:21,908 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 10:22:21,910 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 10:22:21,920 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 10:22:21,928 INFO L195 MainTranslator]: Completed translation [2018-12-08 10:22:21,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:22:21 WrapperNode [2018-12-08 10:22:21,928 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 10:22:21,928 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 10:22:21,929 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 10:22:21,929 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 10:22:21,933 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:22:21" (1/1) ... [2018-12-08 10:22:21,937 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:22:21" (1/1) ... [2018-12-08 10:22:21,940 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 10:22:21,941 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 10:22:21,941 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 10:22:21,941 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 10:22:21,946 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:22:21" (1/1) ... [2018-12-08 10:22:21,946 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:22:21" (1/1) ... [2018-12-08 10:22:21,946 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:22:21" (1/1) ... [2018-12-08 10:22:21,947 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:22:21" (1/1) ... [2018-12-08 10:22:21,950 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:22:21" (1/1) ... [2018-12-08 10:22:21,950 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:22:21" (1/1) ... [2018-12-08 10:22:21,951 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:22:21" (1/1) ... [2018-12-08 10:22:21,952 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 10:22:21,952 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 10:22:21,952 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 10:22:21,952 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 10:22:21,953 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:22:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0323f7ab-d5f5-4f83-9ea4-66f1d98986d1/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 10:22:22,012 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 10:22:22,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 10:22:22,012 INFO L130 BoogieDeclarations]: Found specification of procedure f [2018-12-08 10:22:22,012 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2018-12-08 10:22:22,013 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 10:22:22,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 10:22:22,013 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2018-12-08 10:22:22,013 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2018-12-08 10:22:22,013 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 10:22:22,013 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 10:22:22,089 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 10:22:22,089 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-08 10:22:22,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 10:22:22 BoogieIcfgContainer [2018-12-08 10:22:22,089 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 10:22:22,090 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 10:22:22,090 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 10:22:22,092 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 10:22:22,092 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 10:22:21" (1/3) ... [2018-12-08 10:22:22,093 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4167dd1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 10:22:22, skipping insertion in model container [2018-12-08 10:22:22,093 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:22:21" (2/3) ... [2018-12-08 10:22:22,094 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4167dd1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 10:22:22, skipping insertion in model container [2018-12-08 10:22:22,094 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 10:22:22" (3/3) ... [2018-12-08 10:22:22,095 INFO L112 eAbstractionObserver]: Analyzing ICFG newton_2_7_false-unreach-call_true-termination.i [2018-12-08 10:22:22,103 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 10:22:22,109 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 10:22:22,123 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 10:22:22,148 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 10:22:22,149 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 10:22:22,149 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 10:22:22,149 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 10:22:22,149 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 10:22:22,149 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 10:22:22,149 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 10:22:22,149 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 10:22:22,150 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 10:22:22,161 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states. [2018-12-08 10:22:22,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-08 10:22:22,164 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 10:22:22,165 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 10:22:22,166 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 10:22:22,169 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 10:22:22,169 INFO L82 PathProgramCache]: Analyzing trace with hash 784971363, now seen corresponding path program 1 times [2018-12-08 10:22:22,170 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 10:22:22,171 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 10:22:22,199 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:22:22,199 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 10:22:22,199 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:22:22,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 10:22:22,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 10:22:22,240 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-08 10:22:22,255 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 10:22:22 BoogieIcfgContainer [2018-12-08 10:22:22,255 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 10:22:22,255 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 10:22:22,255 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 10:22:22,255 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 10:22:22,255 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 10:22:22" (3/4) ... [2018-12-08 10:22:22,258 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-08 10:22:22,258 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 10:22:22,258 INFO L168 Benchmark]: Toolchain (without parser) took 454.33 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.6 MB). Free memory was 961.4 MB in the beginning and 1.1 GB in the end (delta: -108.7 MB). Peak memory consumption was 1.9 MB. Max. memory is 11.5 GB. [2018-12-08 10:22:22,259 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 10:22:22,260 INFO L168 Benchmark]: CACSL2BoogieTranslator took 123.54 ms. Allocated memory is still 1.0 GB. Free memory was 961.4 MB in the beginning and 950.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-08 10:22:22,260 INFO L168 Benchmark]: Boogie Procedure Inliner took 11.97 ms. Allocated memory is still 1.0 GB. Free memory is still 950.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 10:22:22,260 INFO L168 Benchmark]: Boogie Preprocessor took 11.43 ms. Allocated memory is still 1.0 GB. Free memory was 950.6 MB in the beginning and 945.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-08 10:22:22,261 INFO L168 Benchmark]: RCFGBuilder took 137.01 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.6 MB). Free memory was 945.3 MB in the beginning and 1.1 GB in the end (delta: -145.4 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. [2018-12-08 10:22:22,261 INFO L168 Benchmark]: TraceAbstraction took 165.21 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2018-12-08 10:22:22,261 INFO L168 Benchmark]: Witness Printer took 2.69 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 10:22:22,263 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 123.54 ms. Allocated memory is still 1.0 GB. Free memory was 961.4 MB in the beginning and 950.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 11.97 ms. Allocated memory is still 1.0 GB. Free memory is still 950.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 11.43 ms. Allocated memory is still 1.0 GB. Free memory was 950.6 MB in the beginning and 945.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 137.01 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.6 MB). Free memory was 945.3 MB in the beginning and 1.1 GB in the end (delta: -145.4 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 165.21 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. * Witness Printer took 2.69 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 28]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 17, overapproximation of someBinaryDOUBLEComparisonOperation at line 27, overapproximation of someBinaryArithmeticFLOAToperation at line 21. Possible FailurePath: [L16] float IN = __VERIFIER_nondet_float(); [L19] CALL, EXPR f(IN) VAL [\old(x)=5] [L6] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; VAL [\old(x)=5, x=5] [L19] RET, EXPR f(IN) VAL [f(IN)=4, IN=5] [L19] CALL, EXPR fp(IN) VAL [\old(x)=5] [L11] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; VAL [\old(x)=5, x=5] [L19] RET, EXPR fp(IN) VAL [f(IN)=4, fp(IN)=1, IN=5] [L19] float x = IN - f(IN)/fp(IN); [L21] CALL, EXPR f(x) VAL [\old(x)=2] [L6] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; VAL [\old(x)=2, x=2] [L21] RET, EXPR f(x) VAL [f(x)=3, IN=5, x=2] [L21] CALL, EXPR fp(x) VAL [\old(x)=2] [L11] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; VAL [\old(x)=2, x=2] [L21] RET, EXPR fp(x) VAL [f(x)=3, fp(x)=0, IN=5, x=2] [L21] x = x - f(x)/fp(x) [L27] COND TRUE !(x < 0.1) VAL [IN=5] [L28] __VERIFIER_error() VAL [IN=5] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 25 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 2 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-08 10:22:23,584 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 10:22:23,585 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 10:22:23,591 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 10:22:23,591 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 10:22:23,591 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 10:22:23,592 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 10:22:23,593 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 10:22:23,593 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 10:22:23,594 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 10:22:23,594 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 10:22:23,594 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 10:22:23,595 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 10:22:23,595 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 10:22:23,596 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 10:22:23,596 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 10:22:23,597 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 10:22:23,597 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 10:22:23,598 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 10:22:23,599 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 10:22:23,599 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 10:22:23,600 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 10:22:23,601 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 10:22:23,601 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 10:22:23,601 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 10:22:23,602 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 10:22:23,602 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 10:22:23,603 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 10:22:23,603 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 10:22:23,604 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 10:22:23,604 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 10:22:23,604 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 10:22:23,604 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 10:22:23,604 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 10:22:23,605 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 10:22:23,605 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 10:22:23,605 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0323f7ab-d5f5-4f83-9ea4-66f1d98986d1/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-12-08 10:22:23,612 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 10:22:23,612 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 10:22:23,613 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 10:22:23,613 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 10:22:23,613 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 10:22:23,613 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 10:22:23,613 INFO L133 SettingsManager]: * Use SBE=true [2018-12-08 10:22:23,614 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 10:22:23,614 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 10:22:23,614 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 10:22:23,614 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 10:22:23,614 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 10:22:23,614 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 10:22:23,614 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 10:22:23,614 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-08 10:22:23,614 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-08 10:22:23,614 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 10:22:23,614 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 10:22:23,614 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 10:22:23,614 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 10:22:23,615 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 10:22:23,615 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 10:22:23,615 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 10:22:23,615 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 10:22:23,615 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 10:22:23,615 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 10:22:23,615 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 10:22:23,615 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 10:22:23,615 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-12-08 10:22:23,615 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 10:22:23,615 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-08 10:22:23,615 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-08 10:22:23,615 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_0323f7ab-d5f5-4f83-9ea4-66f1d98986d1/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa8c67e8913fc2cd1e62a9cfd95ae3f25cd4036f [2018-12-08 10:22:23,634 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 10:22:23,643 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 10:22:23,646 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 10:22:23,647 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 10:22:23,647 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 10:22:23,648 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0323f7ab-d5f5-4f83-9ea4-66f1d98986d1/bin-2019/uautomizer/../../sv-benchmarks/c/floats-cdfpl/newton_2_7_false-unreach-call_true-termination.i [2018-12-08 10:22:23,690 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0323f7ab-d5f5-4f83-9ea4-66f1d98986d1/bin-2019/uautomizer/data/ca5b52e3a/fb09abb4bf094583adf42e3b5641b778/FLAG5eb84b95d [2018-12-08 10:22:24,096 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 10:22:24,097 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0323f7ab-d5f5-4f83-9ea4-66f1d98986d1/sv-benchmarks/c/floats-cdfpl/newton_2_7_false-unreach-call_true-termination.i [2018-12-08 10:22:24,100 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0323f7ab-d5f5-4f83-9ea4-66f1d98986d1/bin-2019/uautomizer/data/ca5b52e3a/fb09abb4bf094583adf42e3b5641b778/FLAG5eb84b95d [2018-12-08 10:22:24,108 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0323f7ab-d5f5-4f83-9ea4-66f1d98986d1/bin-2019/uautomizer/data/ca5b52e3a/fb09abb4bf094583adf42e3b5641b778 [2018-12-08 10:22:24,110 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 10:22:24,111 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 10:22:24,111 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 10:22:24,111 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 10:22:24,114 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 10:22:24,114 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 10:22:24" (1/1) ... [2018-12-08 10:22:24,116 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e29c583 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:22:24, skipping insertion in model container [2018-12-08 10:22:24,116 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 10:22:24" (1/1) ... [2018-12-08 10:22:24,120 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 10:22:24,129 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 10:22:24,218 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 10:22:24,222 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 10:22:24,233 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 10:22:24,242 INFO L195 MainTranslator]: Completed translation [2018-12-08 10:22:24,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:22:24 WrapperNode [2018-12-08 10:22:24,242 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 10:22:24,243 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 10:22:24,243 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 10:22:24,243 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 10:22:24,248 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:22:24" (1/1) ... [2018-12-08 10:22:24,252 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:22:24" (1/1) ... [2018-12-08 10:22:24,257 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 10:22:24,257 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 10:22:24,257 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 10:22:24,257 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 10:22:24,262 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:22:24" (1/1) ... [2018-12-08 10:22:24,263 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:22:24" (1/1) ... [2018-12-08 10:22:24,264 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:22:24" (1/1) ... [2018-12-08 10:22:24,264 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:22:24" (1/1) ... [2018-12-08 10:22:24,268 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:22:24" (1/1) ... [2018-12-08 10:22:24,269 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:22:24" (1/1) ... [2018-12-08 10:22:24,270 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:22:24" (1/1) ... [2018-12-08 10:22:24,271 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 10:22:24,272 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 10:22:24,272 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 10:22:24,272 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 10:22:24,272 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:22:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0323f7ab-d5f5-4f83-9ea4-66f1d98986d1/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 10:22:24,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 10:22:24,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 10:22:24,337 INFO L130 BoogieDeclarations]: Found specification of procedure f [2018-12-08 10:22:24,338 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2018-12-08 10:22:24,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 10:22:24,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 10:22:24,338 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2018-12-08 10:22:24,338 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2018-12-08 10:22:24,338 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 10:22:24,338 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 10:22:30,748 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 10:22:30,749 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-08 10:22:30,749 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 10:22:30 BoogieIcfgContainer [2018-12-08 10:22:30,749 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 10:22:30,750 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 10:22:30,750 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 10:22:30,752 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 10:22:30,752 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 10:22:24" (1/3) ... [2018-12-08 10:22:30,753 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21af54a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 10:22:30, skipping insertion in model container [2018-12-08 10:22:30,753 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:22:24" (2/3) ... [2018-12-08 10:22:30,753 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21af54a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 10:22:30, skipping insertion in model container [2018-12-08 10:22:30,753 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 10:22:30" (3/3) ... [2018-12-08 10:22:30,754 INFO L112 eAbstractionObserver]: Analyzing ICFG newton_2_7_false-unreach-call_true-termination.i [2018-12-08 10:22:30,761 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 10:22:30,766 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 10:22:30,774 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 10:22:30,790 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 10:22:30,791 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 10:22:30,791 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 10:22:30,791 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 10:22:30,791 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 10:22:30,791 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 10:22:30,792 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 10:22:30,792 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 10:22:30,792 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 10:22:30,806 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states. [2018-12-08 10:22:30,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-08 10:22:30,810 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 10:22:30,810 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 10:22:30,811 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 10:22:30,815 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 10:22:30,815 INFO L82 PathProgramCache]: Analyzing trace with hash 784971363, now seen corresponding path program 1 times [2018-12-08 10:22:30,817 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-08 10:22:30,817 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0323f7ab-d5f5-4f83-9ea4-66f1d98986d1/bin-2019/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-12-08 10:22:30,822 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 10:27:30,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 10:27:36,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 10:27:37,075 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-08 10:27:37,097 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 10:27:37 BoogieIcfgContainer [2018-12-08 10:27:37,098 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 10:27:37,098 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 10:27:37,098 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 10:27:37,098 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 10:27:37,098 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 10:22:30" (3/4) ... [2018-12-08 10:27:37,100 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-08 10:27:37,126 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_0323f7ab-d5f5-4f83-9ea4-66f1d98986d1/bin-2019/uautomizer/witness.graphml [2018-12-08 10:27:37,126 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 10:27:37,127 INFO L168 Benchmark]: Toolchain (without parser) took 313016.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -128.3 MB). Peak memory consumption was 10.1 MB. Max. memory is 11.5 GB. [2018-12-08 10:27:37,128 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 10:27:37,128 INFO L168 Benchmark]: CACSL2BoogieTranslator took 130.87 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 932.6 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2018-12-08 10:27:37,128 INFO L168 Benchmark]: Boogie Procedure Inliner took 14.13 ms. Allocated memory is still 1.0 GB. Free memory is still 932.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 10:27:37,128 INFO L168 Benchmark]: Boogie Preprocessor took 14.78 ms. Allocated memory is still 1.0 GB. Free memory was 932.6 MB in the beginning and 927.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-08 10:27:37,129 INFO L168 Benchmark]: RCFGBuilder took 6477.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -179.0 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. [2018-12-08 10:27:37,129 INFO L168 Benchmark]: TraceAbstraction took 306347.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 33.3 MB). Peak memory consumption was 33.3 MB. Max. memory is 11.5 GB. [2018-12-08 10:27:37,129 INFO L168 Benchmark]: Witness Printer took 28.49 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 10:27:37,131 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 130.87 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 932.6 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 14.13 ms. Allocated memory is still 1.0 GB. Free memory is still 932.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.78 ms. Allocated memory is still 1.0 GB. Free memory was 932.6 MB in the beginning and 927.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 6477.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -179.0 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 306347.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 33.3 MB). Peak memory consumption was 33.3 MB. Max. memory is 11.5 GB. * Witness Printer took 28.49 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 28]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L16] float IN = __VERIFIER_nondet_float(); [L19] CALL, EXPR f(IN) VAL [\old(x)=1.1912250518798828] [L6] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; VAL [\old(x)=1.1912250518798828, \result=0.9301610589027405, x=1.1912250518798828] [L19] RET, EXPR f(IN) VAL [f(IN)=0.9301610589027405, IN=1.1912250518798828] [L19] CALL, EXPR fp(IN) VAL [\old(x)=1.1912250518798828] [L11] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; VAL [\old(x)=1.1912250518798828, \result=0.378360390663147, x=1.1912250518798828] [L19] RET, EXPR fp(IN) VAL [f(IN)=0.9301610589027405, fp(IN)=0.378360390663147, IN=1.1912250518798828] [L19] float x = IN - f(IN)/fp(IN); [L21] CALL, EXPR f(x) VAL [\old(x)=-1.2671747207641602] [L6] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; VAL [\old(x)=-1.2671747207641602, \result=-0.9563190340995789, x=-1.2671747207641602] [L21] RET, EXPR f(x) VAL [f(x)=-0.9563190340995789, IN=1.1912250518798828, x=-1.2671747207641602] [L21] CALL, EXPR fp(x) VAL [\old(x)=-1.2671747207641602] [L11] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; VAL [\old(x)=-1.2671747207641602, \result=0.31031665205955505, x=-1.2671747207641602] [L21] RET, EXPR fp(x) VAL [f(x)=-0.9563190340995789, fp(x)=0.31031665205955505, IN=1.1912250518798828, x=-1.2671747207641602] [L21] x = x - f(x)/fp(x) [L27] COND TRUE !(x < 0.1) VAL [IN=1.1912250518798828, x=1.814577579498291] [L28] __VERIFIER_error() VAL [IN=1.1912250518798828, x=1.814577579498291] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 25 locations, 1 error locations. UNSAFE Result, 306.3s OverallTime, 1 OverallIterations, 2 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 300.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...